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JPL Small-Body Database Browser
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357857 (2005 UG255)
Classification: Main-belt Asteroid          SPK-ID: 2357857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09551868423123154 8.1709e-08  
a 2.999984652695736 5.5836e-08 au
q 2.713430065956351 2.765e-07 au
i 8.530079776800422 1.003e-05 deg
node 39.08173855786387 5.1173e-05 deg
peri 265.7041311395433 8.7392e-05 deg
M 286.6875995033823 6.3998e-05 deg
tp 2458987.002151286741
(2020-May-17.50215129)
0.00033589 TDB
period 1897.915953108727
5.20
5.2987e-05
1.451e-07
d
yr
n .1896817398106229 5.2956e-09 deg/d
Q 3.28653923943512 6.117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5032 days (13.78 yr)  
   first obs. used      2005-09-23  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63961  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:43:11  

Additional Information
 Earth MOID = 1.71516 au 
 Jupiter MOID = 1.94444 au 
 T_jup = 3.229 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO434259  

357857 (2005 UG255)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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